shithub: libmujs

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Fix 697496: Check NAN before accessing array in MakeDay().

--- a/jsdate.c

+++ b/jsdate.c

@@ -207,12 +207,17 @@

 	};

 	double yd, md;

+	int im;

 	y += floor(m / 12);

 	m = pmod(m, 12);

+	im = (int)m;

+	if (im < 0 || im >= 12)

+		return NAN;

+

 	yd = floor(TimeFromYear(y) / msPerDay);

-	md = firstDayOfMonth[InLeapYear(y)][(int)m];

+	md = firstDayOfMonth[InLeapYear(y)][im];

 	return yd + md + date - 1;

 }